Method of bonding a floor-covering web with a backing web
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United States of America Patent
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Oct 16, 1984
Grant Date -
N/A
app pub date -
Mar 8, 1982
filing date -
Apr 4, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Method of bonding a floor-covering web consisting of a pile material coated on its back at least partially with a thermoplastic substance, with a backing web, the upper side of said backing web being formed at least partially by a thermoplastic substance and wherein the pile material and the backing web are moved synchronously and guided such that they run towards each other before being bonded, the underside of the floor-covering web and the upper side of the backing web thereby facing at least one heat source, that the coating on the back of the floor-covering web and the other side of the backing web are at least partially plastified by heating and wherein the heated sides of the pile material and the backing web are placed against each other and the webs bonded together.
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